Home / 807,417,138.82-1,114,236,139.71-436,139,334.22

Finding the Fourth Proportional to 807,417,138.82, 1,114,236,139.71 and 436,139,334.22

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Solution

The fourth proportional to 807,417,138.82, 1,114,236,139.71 and 436,139,334.22 is: 601,872,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,417,138.82 : 1,114,236,139.71 = 436,139,334.22 : x
  2. Step 2: Convert to fraction form
    807,417,138.82/1,114,236,139.71 = 436,139,334.22/x
  3. Step 3: Cross multiply
    807,417,138.82x = 1,114,236,139.71 × 436,139,334.22
  4. Step 4: Simplify right side
    807,417,138.82x = 485,962,208,136,982,336
  5. Step 5: Solve for x
    x = 485,962,208,136,982,336/807,417,138.82
  6. Step 6: Final answer
    x = 601,872,544.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.